Tunnels, being one of the transport means passing through rivers, lakes and seas more rapidly and safely, have such advantages as being unaffected by adverse climate, rain and winds, waves and currents, ice packs and heavy fogs.
英
美
- 隧道作為一種更加便捷、安全的穿越江、河、湖、海的交通工程之一 ,有不受外界氣候、風(fēng)雨、波浪、水流、冰凌、大霧等因素影響的諸多優(yōu)勢。
